B synnematin
[医] 共霉素B, 头孢菌素N, 青霉素N
🧩 词语组成解析
共霉素
🗣️ 情景例句
Shall I tell him you called?
我告诉他你来过电话，好吗？
What we learn with pleasure we never forget.
乐意学的东西决不会忘记。
You are so considerate.
你真有心。